Siemens SIMOTICS T-1FW3 Configuration Manual page 103

Calculating the rms torque
Calculating the medium motor speed
J
M
J
G
J
load
n
Load
i
η
G
M
load
M
R
T
A;E
t
e
t
Δ
i
The rms torque M
The maximum torque M
motors must lie below the voltage limiting curve/M
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
Motor moment of inertia
Gearbox moment of inertia
Load moment of inertia
Load speed
Gear ratio
Gearbox efficiency
Load torque
Frictional torque
Cycle time, clock cycle time
Initial value, final value in time slice Δ
On period
Time interval
must, for n
Mot, rms Mot, medium
is required when the drive is accelerating and for synchronous
max
t
i
, lie below the S1 curve.
characteristic.
max
Configuration
5.2 Configuring workflow
101